Exodus 4:23

Therefore I say unto thee, Let my son go, that he may serve me, But if thou refuse to let him go, behold, I, am going to slay, thy son, thy firstborn.

Exodus 11:5

then shall every firstborn in the land of Egypt die, from the firstborn of Pharaoh who is sitting on his throne, unto the firstborn of the handmaid who is behind the two millstones, - and every firstborn of beasts;

Exodus 12:29

And it came to pass, at midnight, that Yahweh, smote every firstborn in the land of Egypt, from the firstborn of Pharaoh who sat upon his throne, unto the firstborn of the captive who was in the pit of his prison, - and every firstborn of beasts.

Psalm 105:36

Then smote he every firstborn in their land, The beginning of all their strength;

Psalm 135:8

Who smote the firstborn of Egypt, both of man, and of beast;

Exodus 5:1

And afterwards, Moses and Aaron went in and said unto Pharaoh, - Thus, saith Yahweh God of Israel, Let my people go, that they may hold a festival to me in the desert.

Exodus 7:16

Then shalt thou say unto him - Yahweh God of the Hebrews hath sent me unto thee saying, - Let my people go, that they may serve me in the desert, - And lo! thou hast not hearkened hitherto.

Psalm 78:51

So he smote, Every first-born in Egypt, The beginning of their strength, in the tents of Ham;

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